13173608448 has 1248 divisors, whose sum is σ = 56474651520. Its totient is φ = 2972712960.

The previous prime is 13173608389. The next prime is 13173608471. The reversal of 13173608448 is 84480637131.

13173608448 is a `hidden beast` number, since 1 + 31 + 7 + 3 + 608 + 4 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1248).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 774918136 + ... + 774918152.

Almost surely, 2^13173608448 is an apocalyptic number.

13173608448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13173608448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28237325760).

13173608448 is an abundant number, since it is smaller than the sum of its proper divisors (43301043072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13173608448 is a wasteful number, since it uses less digits than its factorization.

13173608448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 13173608448 in words is "thirteen billion, one hundred seventy-three million, six hundred eight thousand, four hundred forty-eight".